Product Description

We have a few choices when it comes to choosing a piston pin. 5115 Material pins are chromium alloy and steel case hardened to 58-64 Rockwell C designed for normal wear and tear. 52100 Material Pins are high carbon chromium-bearing steel made of aircraft quality alloy and case hardened to 54-56 Rockwell C for high load capacity. 9310 Material Pins are high quality low carbon and are case hardened to 59-63 Rockwell C for turbo or nitrous applications.

5115 Material Pin

Standard grade chromium alloy steel

Case hardened to 58-64 Rockwell C

Ground to a surface finish of .15 Ra or better

Designed to withstand the normal wear and tear of an aftermarket engine

52100 Material Pin

High carbon, chromium-bearing steel

Aircraft quality alloy

Case hardened to 54-56 Rockwell C

Through hardened

Ground to a fine finish

Designed for high load capacity

Designed for outstanding wear and abrasion resistance

9310 Material Pin

High quality, low carbon, case hardened steel

Case hardened to 59-63 Rockwell C

Ground to a superfinish (.025 Ra or better)

Designed for use in applications which require high surface strength combined with high core toughness

Excellent to use in applications where high contact stress is combined with high shock and impact loading, such as turbo / nitrous applications